Florissant, MO Home Business: Signage Rules (2026)
Key Facts
- Signs allowed for a home occupation
- None
- Governing definition
- § 405.035, HOME OCCUPATION
- Consequence of any sign
- Loses home-occupation zoning status
- Separate general residential sign cap
- 1 sq ft 'professional' sign, § 520.140
- Enforcement
- Building Commissioner, § 405.480
Summary
A Florissant home occupation cannot display any sign at all. The zoning code's definition of 'home occupation' bars any exterior sign or display indicating the dwelling is used for anything but a home, making a completely sign-free exterior a condition of keeping the permitted-use status.
excluding beauty shops, barbershops, music schools, convalescent or nursing homes, tourist homes, massage or other establishment offering services to the general public and providing that there are no signs or any display that will indicate from the exterior of the building that it is being utilized for any purpose other than that of a dwelling.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4989395; v43 updated 2026-05-26; through 05-26-2026).
Full Breakdown
' That sits alongside the exclusion of certain trades (beauty shops, barbershops, music schools, convalescent or nursing homes, tourist homes, massage establishments) that can never qualify as home occupations regardless of signage. , Signs, lets a residential-zone building display a small incidental sign for 'professional purposes' up to one square foot, non-flashing, without red illumination, but that separate allowance does not extend to a use classified as a home occupation, since the home-occupation definition itself requires zero exterior signage as a precondition of the use being permitted.
085(A)(10) lists home occupations among the permitted uses of the R-1 district (and the parallel provisions for R-2 through R-6), so a home business that posts a sign risks losing its status as a lawful home occupation entirely, not just being told to take the sign down.
Violations & Fines
Posting any exterior sign or display for a home occupation removes the use from the § 405.035 definition, meaning the business is no longer a permitted use in a residential district. Enforcement runs through § 405.480: the Building Commissioner and Mayor may pursue a misdemeanor charge carrying a fine of $10 to $100 per day the violation continues, rising to $25 to $100 per day (or up to 10 days' imprisonment) for a willful violation, with civil liability also available to an aggrieved neighbor.
Frequently Asked Questions
Can I put up a sign for my home-based business in Florissant?
Doesn't Florissant allow a small professional sign on a house?
What happens if my home business puts up a sign anyway?
Sources & Official References
Other rules in Florissant
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